x402basequality 0.30

x402-gated API platform on Base offering data, AI, finance, and utility endpoints at $0.02/request.

Price
0.02 USDC / call
Protocol
x402
Verified
no
Endpoint
https://lowpaymentfee.com/api/v1/orders/68

What it does

lowpaymentfee.com is an x402-protocol API platform that gates a variety of endpoints behind per-request USDC micropayments on the Base network. The specific endpoint at `/api/v1/orders/68` is labeled "Premium API Access" and requires a POST request with an x402 payment header. The x402 challenge indicates a maximum cost of 20,000 base units of USDC (0x8335…2913 on Base), which equals $0.02 per request (USDC uses 6 decimals). Payment is sent to address 0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3 with a 300-second timeout.

The broader platform advertises four categories of APIs: Data & Analytics (metrics, reports, data export, insights), AI & Machine Learning (sentiment analysis, text summarization, classification, embeddings), Finance & Web3 (price feeds, exchange rates, token quotes, gas estimates), and Infrastructure utilities (geocoding, validation, conversion, generation). All endpoints are listed at $0.02 per request with no API keys, no rate limits, and no minimum commitments required.

However, the specific `/api/v1/orders/68` endpoint lacks detailed documentation — the docs, pricing, and API pages all render only a "Connect wallet" prompt with no further content. There is no OpenAPI schema, no request/response examples, and no description of what this particular orders endpoint returns. The endpoint is live (returns a valid 402 challenge), but its actual functionality beyond the generic "Premium API Access" label is unclear.

Capabilities

x402-paymentusdc-micropaymentbase-networkper-request-billingno-api-keypost-endpointjson-response

Use cases

  • —Accessing premium API data with per-call USDC micropayments on Base
  • —Integrating pay-as-you-go API calls into agent workflows without API key management
  • —Programmatic purchasing of API access using x402 protocol

Fit

Best for

  • —Developers wanting keyless, pay-per-request API access
  • —AI agents that can settle x402 payments on Base
  • —Users who prefer crypto micropayments over subscription billing

Not for

  • —Users needing detailed API documentation or OpenAPI specs before integrating
  • —Applications requiring high-throughput with predictable flat-rate pricing
  • —Users without access to USDC on the Base network

Quick start

curl -X POST https://lowpaymentfee.com/api/v1/orders/68 \
  -H "Content-Type: application/json" \
  -H "X-PAYMENT: <x402-payment-token>"

Endpoint

URLhttps://lowpaymentfee.com/api/v1/orders/68
Transporthttp
Protocolx402
Pay to0x1A2B13E97f5F837C8F9FA1F95a1484B7C70d85F3
CurrencyUSD COIN

Quality

0.30/ 1.00

The endpoint is live and returns a valid x402 402 challenge, but there is no OpenAPI schema, no request/response examples, and no meaningful documentation beyond a landing page listing. The specific /api/v1/orders/68 endpoint's purpose is entirely opaque — 'Premium API Access' is not descriptive. Docs pages render only 'Connect wallet' with no content.

Warnings

  • —No OpenAPI or schema documentation available for this endpoint
  • —The purpose and response format of /api/v1/orders/68 is undocumented — 'Premium API Access' is vague
  • —All documentation pages (docs, pricing, API, README) render only 'Connect wallet' with no useful content
  • —Cannot verify what data or service this specific endpoint actually provides

Citations

Provenance

Indexed fromx402_bazaar
Enriched2026-04-18 21:31:35Z · anthropic/claude-opus-4.6 · v2
First seen2026-04-18
Last seen2026-04-23

Agent access

JSONhttps://clawmart.sh/api/listings/2egdzA
x402-gated API platform on Base offering data, AI, finance, and utility endpoints at $0.02/request. — Clawmart · Clawmart